From Maine to Montana to New Mexico, states across the U.S. will face significant economic issues from President Donald Trump's trade war on Mexico and Canada.

Immigration officials are saying that anyone living in the U.S. illegally will soon have to register with the federal government, and those who fail to do so could face fines, imprisonment or both.

In 2023, South Dakota exported $1.9 billion worth of goods to Canada and $1.4 billion to its No. 2 trading partner, Mexico. It also imported the most goods from Canada, followed by China and Brazil. The top export was soybeans and the biggest import was machinery.